| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Danielsen, Hilmar Kjartansson
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024Microstructural Evolution During Welding of High Si Solution-Strengthened Ferritic Ductile Cast Iron Using Different Filler Metalscitations
- 2023New White Etch Cracking resistant martensitic stainless steel for bearing applications by high temperature solution nitridingcitations
- 2023Understanding the challenges during repair welding of EN GJS-500-14 spheroidal cast iron for wind industry
- 2023Thermomechanical modeling and experimental study of a multi-layer cast iron repair welding for weld-induced crack predictioncitations
- 2022Effect of manufacturing defects on fatigue life of high strength steel bolts for wind turbinescitations
- 2021Residual strain-stress in manganese steel railway-crossing determined by synchrotron and laboratory X-raycitations
- 2021Microstructural characterization of white etching cracks in bearings after long-term operation in wind turbinescitations
- 2020Multi-axial Fatigue of Head-Hardened Pearlitic and Austenitic Manganese Railway Steels: A Comparative Studycitations
- 20192D and 3D characterization of rolling contact fatigue cracks in manganese steel wing rails from a crossingcitations
- 2019Crack formation within a Hadfield manganese steel crossing nosecitations
- 20182D and 3D characterization of rolling contact fatigue cracks in a manganese steel crossing wing rail
- 2017Synchrotron X-ray measurement of residual strain within the nose of a worn manganese steel railway crossingcitations
- 2017Multiscale characterization of White Etching Cracks (WEC) in a 100Cr6 bearing from a thrust bearing test rigcitations
- 2017Analysis of bearing steel exposed to rolling contact fatiguecitations
- 20163D characterization of rolling contact fatigue crack networkscitations
- 2016Review of Z phase precipitation in 9–12 wt-%Cr steelscitations
- 2014Grinding induced martensite on the surface of rails
- 2014A TEM Study on the Ti-Alloyed Grey Iron
- 2014Atomic Resolution Microscopy of Nitrides in Steel
- 2014New amorphous interface for precipitate nitrides in steelcitations
- 2013Investigation on Long-term Creep Rupture Properties and Microstructure Stability of Fe-Ni based Alloy Ni-23Cr-7W at 700°Ccitations
- 2013Kinetics of Z-Phase Precipitation in 9 to 12 pct Cr Steelscitations
- 2012Atomic resolution investigations of phase transformation from TaN to CrTaN in a steel matrix
- 2010Microstructural investigation of the oxide formed on TP 347H FG during long-term steam oxidationcitations
- 2010On the role of Nb in Z-phase formation in a 12% Cr steelcitations
- 2010On the role of Nb in Z-phase formation in a 12% Cr steelcitations
- 2010Conversion of MX nitrides to Z-phase in a martensitic 12% Cr steelcitations
- 2009On the nucleation and dissolution process of Z-phase Cr(V,Nb)N in martensitic 12%Cr steelscitations
- 2008A study on Z-phase nucleation in martensitic chromium steelscitations
- 2008Thermodynamic and kinetic modelling: creep resistant materialscitations
- 2007A thermodynamic model of the Z-phase Cr(V, Nb)Ncitations
- 2006Behaviour of Z phase in 9–12%Cr steels
Places of action
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article
Microstructural investigation of the oxide formed on TP 347H FG during long-term steam oxidation
Abstract
The long-term oxidation behaviour of TP347H FG in ultra supercritical steam conditions was assessed by exposing the steel in test superheater loops in a Danish coal-fired power plant and characterising the oxide layer with reflective light and electron microscopy. Double layered oxide scales formed during steam oxidation. TEM investigations reveal that the inner oxide layer consists of particles of metallic Ni/Fe and Fe-Cr spinel in the interior of the former alloy grains and a compact layer of Fe-Cr spinel and Cr2O3 along the former alloy grain boundaries. The morphology suggests that the inner layer grows by internal oxidation of the interior of the alloy grains. The thickness of the inner oxide layer did not change significantly with oxidation time and temperature for exposure times up to 30 000 h. Faster Cr diffusion within the fine-grained alloy at higher temperatures is held responsible for this observation. This hypothesis is supported by kinetic data. The oxide thickness at low and high temperatures after 58 000 h exposure was higher than expected.